Which option is proper for event of callus cultre ?
(A) Explant→cell division→callus→adding cytokinin→transform from cell to meristmatic tissue.
(B) Explant→callus→cell division→adding cytokinin→transform from cell to merismatic tissue.
(C) Callus→adding cytokinin→cell division→transform from cell to meristmatic tissue→explant.
(D) Cell division→adding cytokinin→callus→explant→transform from cell to meristmatic tissue.
